McHenry Forum - Crash Reconstruction & Simulation

Q: Does anyone know of publication which address the reduction in delta v in a multiple vehicle rear-end collision scenario. I have reviewed SAE 2010-01-0055 but was hoping that there might be others out there as well. A: You ask about “reduction in delta v in a multiple vehicle rear-end collision ...

For the latest post on this topic which include some DRAFT simulations please click here or scroll to the bottom of this thread Saw on LinkedIn some great graphics of scanned crash scene 2021-01-13_16-06-43.jpg [COMMENT] The vehicle movement and orientations on the link on the post (the picture abov...

Jan 13, 2021: This message I repeated in a few posts so decided to split it off as a separate topic: These comments apply to any crash analysis in general and simplified momentum analysis in particular which include a major simplifying assumption when applied to motor vehicle crashes. The major shor...

Please also see:

• Jaguar E-Pace Stunt: Notes on Stunt Creation

We discuss components which helped make the stunt work
and many which impaired and added costs

As part of our critique of a new FARO AD implying a single equation is adequate for a crash reconstruction we think we need to add some obvious items to this Beginners Errors in Crash Reconstruction 101 Forum topic: ALWAYS USE MORE THAN A SINGLE ELEMENTARY EQUATION TO PERFORM A PROFESSIONAL RECONSTR...

Here's another preliminary sample of a vrml file used in msmac3D

We modified some of the post above.

We also wanted to point you to our summary of

• The Major Shortcoming of Simplified Momentum Simulation and Analysis

A response posted to the LinkedIn thread on what permission required for EDR data retrieval: Article 6 (d) (e) and (f) of the GDPR appears to permit the processing of crash data without the owner or drivers consent. It would certainly be fair and proportional to protect the interests of the injured ...

A Question posted to my Youtube Video of the crash : Q uestion: So What happened to the white car? A: I expect the driver was drunk or scared so left the scene and then saw who died and somehow decided to hide/get rid of the vehicle. Not sure how since you'd think it difficult to hide? The recent bo...

Some article related to the 'no damage intercept':

• Why don't you use the A & B Coefficients in mSMAC?
• Does SMAC underreport the impact duration?